| 1 | /* Header for nscd SELinux access controls. |
|---|
| 2 | Copyright (C) 2004-2022 Free Software Foundation, Inc. |
|---|
| 3 | This file is part of the GNU C Library. |
|---|
| 4 | |
|---|
| 5 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 6 | modify it under the terms of the GNU Lesser General Public |
|---|
| 7 | License as published by the Free Software Foundation; either |
|---|
| 8 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 9 | |
|---|
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 13 | Lesser General Public License for more details. |
|---|
| 14 | |
|---|
| 15 | You should have received a copy of the GNU Lesser General Public |
|---|
| 16 | License along with the GNU C Library; if not, see |
|---|
| 17 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | #ifndef _SELINUX_H |
|---|
| 20 | #define _SELINUX_H 1 |
|---|
| 21 | |
|---|
| 22 | #include "nscd.h" |
|---|
| 23 | #ifdef HAVE_LIBCAP |
|---|
| 24 | # include <sys/capability.h> |
|---|
| 25 | #endif |
|---|
| 26 | |
|---|
| 27 | #ifdef HAVE_SELINUX |
|---|
| 28 | /* Global variable to tell if the kernel has SELinux support. */ |
|---|
| 29 | extern int selinux_enabled; |
|---|
| 30 | |
|---|
| 31 | /* Define this for AVC stat usage. */ |
|---|
| 32 | struct avc_cache_stats; |
|---|
| 33 | |
|---|
| 34 | /* Initialize the userspace AVC. */ |
|---|
| 35 | extern void nscd_avc_init (void); |
|---|
| 36 | /* Determine if we are running on an SELinux kernel. */ |
|---|
| 37 | extern void nscd_selinux_enabled (int *selinux_enabled); |
|---|
| 38 | /* Check if the client has permission for the request type. */ |
|---|
| 39 | extern int nscd_request_avc_has_perm (int fd, request_type req); |
|---|
| 40 | /* Initialize AVC statistic information. */ |
|---|
| 41 | extern void nscd_avc_cache_stats (struct avc_cache_stats *cstats); |
|---|
| 42 | /* Display statistics on AVC usage. */ |
|---|
| 43 | extern void nscd_avc_print_stats (struct avc_cache_stats *cstats); |
|---|
| 44 | |
|---|
| 45 | # ifdef HAVE_LIBCAP |
|---|
| 46 | /* Preserve capabilities to connect to the audit daemon. */ |
|---|
| 47 | extern cap_t preserve_capabilities (void); |
|---|
| 48 | /* Install final capabilities. */ |
|---|
| 49 | extern void install_real_capabilities (cap_t new_caps); |
|---|
| 50 | # endif |
|---|
| 51 | #else |
|---|
| 52 | # define selinux_enabled 0 |
|---|
| 53 | # define nscd_avc_init() (void) 0 |
|---|
| 54 | # define nscd_selinux_enabled(selinux_enabled) (void) 0 |
|---|
| 55 | # define nscd_request_avc_has_perm(fd, req) 0 |
|---|
| 56 | # define nscd_avc_cache_stats(cstats) (void) 0 |
|---|
| 57 | # define nscd_avc_print_stats(cstats) (void) 0 |
|---|
| 58 | #endif /* HAVE_SELINUX */ |
|---|
| 59 | |
|---|
| 60 | #endif /* _SELINUX_H */ |
|---|
| 61 | |
|---|
